//能对books进行CRUD操作的Model

const mongoose = require("mongoose")

// 定义文档结构 => 生成Schema对象
const bookSchema = mongoose.Schema({
    name: String,
    author: String,
    price: Number
  })
  
  // 生成Model
  const BookModel = mongoose.model('books', bookSchema)
  
  // 暴露 BookModel
  module.exports = BookModel